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1. The components of the drilling device are assembled, and various working conditions are carried out for preliminary debugging.

2. Drive the drilling machine in the vertical direction to a position where the drill bit is parallel to the drilling position, and adjust the left and right sliding frames to be vertically above the drilling position.

3. Press the drill tool down to the ground, start to impact and rotate the drill tool to drill.

4. During the drilling process, it can slide up and down appropriately to prevent the drilled stones or cement fragments from blocking the impactor, drill bit and other components.

5. The drilling control method is as follows: If the hard layer is too deep, mark a certain position on the drilling tool and drill to the appropriate position.

6. If the hard layer is not drilled through the hard layer, stop drilling. It is strictly forbidden to continue drilling in the soft soil layer. 7. When drilling, the machine body must be fixed firmly to prevent the machine body from moving back and forth or left and right to avoid damage to the drill or drill. The hole position is incorrect.

8. After drilling, gradually raise the drilling tool above the ground while keeping the drilling tool rotating.

9. If the drilling tool is stuck in the hole, the drilling tool should be lifted in time, and the drilling tool should be inspected. Illegal operation is strictly prohibited!